Location History:
- Namwon-si, KR (2016)
- Seoul, KR (2011 - 2017)
Company Filing History:
6 out of 131,906 
1 out of 263 Years Active: 2011-2017
Title: The Innovative Contributions of Kyung-hwan So
Introduction
Kyung-hwan So is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of electrical engineering, particularly in power supply technologies. With a total of 7 patents to his name, So has demonstrated a commitment to innovation and advancement in his field.
Latest Patents
One of his latest patents is a Switching Mode Power Supply (SMPS). This invention includes a rectifier to rectify an alternating current (AC) voltage, a first transformer to convert the rectified voltage into a first output voltage according to a switching operation of a first switching unit, and a second transformer for a similar purpose. Additionally, it features first and second switching control units to manage the operations of the switching units, along with a power blocking unit that is electrically insulated from the light emitting unit. Another notable patent is a Method and Apparatus for Detecting Phase of Input Power. This phase detector includes an alternating current input unit, a zero cross generator that outputs a zero cross signal at the zero cross point of the input power, and a zero cross detector that converts the zero cross signal to a pulse signal to detect the phase of the input power.
Career Highlights
Kyung-hwan So has worked with several notable companies throughout his career. He has been associated with Samsung Electronics Co., Ltd. and S-Printing Solution Co., Ltd. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.
Collaborations
Throughout his career, So has collaborated with talented individuals such as Jin-ha Kim and Hong-ki Jung. These collaborations have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Kyung-hwan So's contributions to electrical engineering through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in power supply technologies.